drivers/isdn/capi/kcapi.h

   1 /*
   2  * Kernel CAPI 2.0 Module
   3  *
   4  * Copyright 1999 by Carsten Paeth <calle@calle.de>
   5  * Copyright 2002 by Kai Germaschewski <kai@germaschewski.name>
   6  *
   7  * This software may be used and distributed according to the terms
   8  * of the GNU General Public License, incorporated herein by reference.
   9  *
  10  */
  11
  12
  13 #include <linux/kernel.h>
  14 #include <linux/spinlock.h>
  15 #include <linux/list.h>
  16 #include <linux/isdn/capilli.h>
  17
  18 #ifdef KCAPI_DEBUG
  19 #define DBG(format, arg...) do {                                        \
  20                 printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
  21         } while (0)
  22 #else
  23 #define DBG(format, arg...) /* */
  24 #endif
  25
  26 enum {
  27         CAPI_CTR_DETACHED = 0,
  28         CAPI_CTR_DETECTED = 1,
  29         CAPI_CTR_LOADING  = 2,
  30         CAPI_CTR_RUNNING  = 3,
  31 };
  32
  33 extern struct capi_ctr *capi_controller[CAPI_MAXCONTR];
  34 extern struct mutex capi_controller_lock;
  35
  36 extern struct capi20_appl *capi_applications[CAPI_MAXAPPL];
  37
  38 void kcapi_proc_init(void);
  39 void kcapi_proc_exit(void);
  40
  41 struct capi20_appl {
  42         u16 applid;
  43         capi_register_params rparam;
  44         void (*recv_message)(struct capi20_appl *ap, struct sk_buff *skb);
  45         void *private;
  46
  47         /* internal to kernelcapi.o */
  48         unsigned long nrecvctlpkt;
  49         unsigned long nrecvdatapkt;
  50         unsigned long nsentctlpkt;
  51         unsigned long nsentdatapkt;
  52         struct mutex recv_mtx;
  53         struct sk_buff_head recv_queue;
  54         struct work_struct recv_work;
  55         int release_in_progress;
  56 };
  57
  58 u16 capi20_isinstalled(void);
  59 u16 capi20_register(struct capi20_appl *ap);
  60 u16 capi20_release(struct capi20_appl *ap);
  61 u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb);
  62 u16 capi20_get_manufacturer(u32 contr, u8 buf[CAPI_MANUFACTURER_LEN]);
  63 u16 capi20_get_version(u32 contr, struct capi_version *verp);
  64 u16 capi20_get_serial(u32 contr, u8 serial[CAPI_SERIAL_LEN]);
  65 u16 capi20_get_profile(u32 contr, struct capi_profile *profp);
  66 int capi20_manufacturer(unsigned long cmd, void __user *data);
  67
  68 #define CAPICTR_UP                      0
  69 #define CAPICTR_DOWN                    1
  70
  71 int kcapi_init(void);
  72 void kcapi_exit(void);
  73
  74 /*----- basic-type definitions -----*/
  75
  76 typedef __u8 *_cstruct;
  77
  78 typedef enum {
  79         CAPI_COMPOSE,
  80         CAPI_DEFAULT
  81 } _cmstruct;
  82
  83 /*
  84    The _cmsg structure contains all possible CAPI 2.0 parameter.
  85    All parameters are stored here first. The function CAPI_CMSG_2_MESSAGE
  86    assembles the parameter and builds CAPI2.0 conform messages.
  87    CAPI_MESSAGE_2_CMSG disassembles CAPI 2.0 messages and stores the
  88    parameter in the _cmsg structure
  89  */
  90
  91 typedef struct {
  92         /* Header */
  93         __u16 ApplId;
  94         __u8 Command;
  95         __u8 Subcommand;
  96         __u16 Messagenumber;
  97
  98         /* Parameter */
  99         union {
 100                 __u32 adrController;
 101                 __u32 adrPLCI;
 102                 __u32 adrNCCI;
 103         } adr;
 104
 105         _cmstruct AdditionalInfo;
 106         _cstruct B1configuration;
 107         __u16 B1protocol;
 108         _cstruct B2configuration;
 109         __u16 B2protocol;
 110         _cstruct B3configuration;
 111         __u16 B3protocol;
 112         _cstruct BC;
 113         _cstruct BChannelinformation;
 114         _cmstruct BProtocol;
 115         _cstruct CalledPartyNumber;
 116         _cstruct CalledPartySubaddress;
 117         _cstruct CallingPartyNumber;
 118         _cstruct CallingPartySubaddress;
 119         __u32 CIPmask;
 120         __u32 CIPmask2;
 121         __u16 CIPValue;
 122         __u32 Class;
 123         _cstruct ConnectedNumber;
 124         _cstruct ConnectedSubaddress;
 125         __u32 Data;
 126         __u16 DataHandle;
 127         __u16 DataLength;
 128         _cstruct FacilityConfirmationParameter;
 129         _cstruct Facilitydataarray;
 130         _cstruct FacilityIndicationParameter;
 131         _cstruct FacilityRequestParameter;
 132         __u16 FacilitySelector;
 133         __u16 Flags;
 134         __u32 Function;
 135         _cstruct HLC;
 136         __u16 Info;
 137         _cstruct InfoElement;
 138         __u32 InfoMask;
 139         __u16 InfoNumber;
 140         _cstruct Keypadfacility;
 141         _cstruct LLC;
 142         _cstruct ManuData;
 143         __u32 ManuID;
 144         _cstruct NCPI;
 145         __u16 Reason;
 146         __u16 Reason_B3;
 147         __u16 Reject;
 148         _cstruct Useruserdata;
 149
 150         /* intern */
 151         unsigned l, p;
 152         unsigned char *par;
 153         __u8 *m;
 154
 155         /* buffer to construct message */
 156         __u8 buf[180];
 157
 158 } _cmsg;
 159
 160 /*-----------------------------------------------------------------------*/
 161
 162 /*
 163  * Debugging / Tracing functions
 164  */
 165
 166 char *capi_cmd2str(__u8 cmd, __u8 subcmd);
 167
 168 typedef struct {
 169         u_char  *buf;
 170         u_char  *p;
 171         size_t  size;
 172         size_t  pos;
 173 } _cdebbuf;
 174
 175 #define CDEBUG_SIZE     1024
 176 #define CDEBUG_GSIZE    4096
 177
 178 void cdebbuf_free(_cdebbuf *cdb);
 179 int cdebug_init(void);
 180 void cdebug_exit(void);
 181
 182 _cdebbuf *capi_message2str(__u8 *msg);